ResearchPUBMEDMay 1
The Placebo Effect in Rare Disease Clinical Trials: Measurement, Impact, and Statistical Approaches for Patient-as-Own-Control Designs.
Researchers studied whether the placebo effect (feeling better just because you expect to) is a real problem in rare disease trials where patients serve as their own comparison group. They found that for objective measurements like blood tests and imaging scans—which are used in most approved rare disease treatments—the placebo effect is very small and usually not a major concern.
WHY IT MATTERSIf you're considering enrolling in a rare disease trial using a patient-as-own-control design, this research shows that the results are likely measuring real treatment effects rather than just placebo effects, making the trial data more trustworthy for evaluating whether a treatment actually works.
ℹ Good to know